Explore how to install Redis in Golang

Redis is a high-performance key-value storage database that is increasingly favored by programmers. Golang language is a simple, fast and object-oriented programming language. In this article, we will explore how to install Redis in Golang.

Step 1: Download Redis

To install Redis, you first need to download Redis on your computer. You can download its latest version from the Redis official website. After the download is complete, unzip the file and save it in the directory where you want to install Redis.

Step 2: Install Golang

Before installing Redis, you need to install Golang. If you haven't installed Golang yet, please download the installation file from the official website. After downloading, follow the installation wizard to install.

Step 3: Install Redis Server

Before installing Redis, make sure the GCC compiler is installed on your computer. If not, please install GCC first.

Next, we will use the following commands to install the Redis server in the terminal:

$ wget http://download.redis.io/redis-stable.tar.gz
$ tar zxvf redis-stable.tar.gz
$ cd redis-stable
$ make MALLOC=libc

Explain the role of each command:

• wget : Download the latest stable version of Redis from the official website.
• tar: Extract the downloaded Redis compressed package to the specified folder.
• cd: Used to switch the current directory to the specified directory.
• make: Compile Redis source code.

Step 4: Use Golang to connect to Redis

After installing the Redis server, connecting to the Redis server in Golang is also very simple. First, you need to install the Go Redis client driver RedisGo. You can install it in the terminal through the following command:

$ go get github.com/gomodule/redigo/redis

After the installation is complete, use the following code to connect to the Redis server:

package main

import (
    "fmt"
    "github.com/gomodule/redigo/redis"
)

func main() {
    // 建立连接
    conn, err := redis.Dial("tcp", "localhost:6379")
    if err != nil {
        fmt.Println("Connect to redis error", err)
        return
    }
    defer conn.Close()

    // 写入数据
    _, err = conn.Do("SET", "name", "jason")
    if err != nil {
        fmt.Println("Write to redis error", err)
        return
    }

    // 读取数据
    name, err := redis.String(conn.Do("GET", "name"))
    if err != nil {
        fmt.Println("Read from redis error", err)
        return
    }
    fmt.Printf("Got name %s \n", name)
}

In the above code, we use the redis.Dial() method to connect to the Redis server . This will return a connection object. Next, we use the Do() method to read and write Redis data.

It is indeed very simple to install and connect to the Redis server in Golang, but it should be noted that you must ensure that the GCC compiler is installed on your computer system, otherwise the installation process of Redis may fail.

Summary:

This article discusses the process of installing Redis in Golang, and how to use the Go Redis client to drive RedisGo to connect to the Redis server. Through this article, you should have learned how to install the Redis server and client drivers, and be able to use Golang to connect to the Redis server and read and write Redis data.

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